/* Ekonomik Takvim — dark-first theme, light via prefers-color-scheme. */

:root {
  --bg: #0b1220;
  --bg-elevated: #111a2e;
  --bg-header: #0e1728;
  --border: #1e293b;
  --border-strong: #334155;
  --text: #e2e8f0;
  --text-muted: #94a3b8;
  --text-faint: #64748b;
  --accent: #38bdf8;
  --accent-soft: rgba(56, 189, 248, 0.12);
  --accent-strong: #0ea5e9;
  --warn: #fbbf24;
  --warn-soft: rgba(251, 191, 36, 0.1);
  --danger: #f87171;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.4), 0 4px 16px rgba(0, 0, 0, 0.25);
  --chip-bg: rgba(56, 189, 248, 0.14);
  --chip-text: #7dd3fc;
  --font: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f1f5f9;
    --bg-elevated: #ffffff;
    --bg-header: #ffffff;
    --border: #e2e8f0;
    --border-strong: #cbd5e1;
    --text: #0f172a;
    --text-muted: #475569;
    --text-faint: #94a3b8;
    --accent: #0284c7;
    --accent-soft: rgba(2, 132, 199, 0.08);
    --accent-strong: #0369a1;
    --warn: #b45309;
    --warn-soft: rgba(180, 83, 9, 0.08);
    --chip-bg: rgba(2, 132, 199, 0.1);
    --chip-text: #0369a1;
    --shadow: 0 1px 2px rgba(15, 23, 42, 0.06), 0 4px 12px rgba(15, 23, 42, 0.06);
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.5;
  min-height: 100vh;
}

.app {
  max-width: 860px;
  margin: 0 auto;
  padding: 1rem 1rem 4rem;
}

/* ------------------------------- Header -------------------------------- */

.header {
  background: var(--bg-header);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.9rem 1.1rem;
  margin-bottom: 0.75rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  align-items: center;
  justify-content: space-between;
  box-shadow: var(--shadow);
}

.header__main {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  min-width: 0;
}

.header__title {
  font-size: 1.15rem;
  font-weight: 700;
  margin: 0;
  letter-spacing: -0.01em;
}

.tz-badge {
  background: var(--chip-bg);
  color: var(--chip-text);
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  white-space: nowrap;
}

.header__meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 0;
}

.clock {
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text);
}

.event-count {
  font-size: 0.8rem;
  color: var(--text-muted);
  white-space: nowrap;
}

/* ------------------------------- Toolbar ------------------------------- */

.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin: 0 0 0.75rem;
  padding: 0 0.15rem;
}

.toolbar__actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.lang-select {
  appearance: none;
  border: 1px solid var(--border-strong);
  background: var(--bg-elevated);
  color: var(--text);
  font: inherit;
  font-weight: 600;
  font-size: 0.85rem;
  padding: 0.5rem 1.9rem 0.5rem 0.85rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: border-color 0.15s ease;
  /* chevron */
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' fill='none' stroke='%2394a3b8' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.65rem center;
}

.lang-select:hover { border-color: var(--accent); }
.lang-select:disabled { opacity: 0.5; cursor: default; }

.updated {
  font-size: 0.8rem;
  color: var(--text-muted);
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.btn {
  appearance: none;
  border: 1px solid var(--border-strong);
  background: var(--bg-elevated);
  color: var(--text);
  font: inherit;
  font-weight: 600;
  font-size: 0.85rem;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.btn:hover:not(:disabled) {
  border-color: var(--accent);
  color: var(--accent);
}

.btn:disabled {
  opacity: 0.5;
  cursor: default;
}

.btn--refresh { min-width: 6.5rem; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ------------------------------- Banner -------------------------------- */

.banner {
  border-radius: var(--radius-sm);
  padding: 0.6rem 0.9rem;
  font-size: 0.85rem;
  margin-bottom: 0.75rem;
}

.banner--stale {
  background: var(--warn-soft);
  border: 1px solid var(--warn);
  color: var(--warn);
}

/* -------------------------------- Days --------------------------------- */

.day {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 0.9rem;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.day--today {
  border-color: var(--accent);
}

.day__header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.7rem 1rem;
  background: var(--accent-soft);
  border-bottom: 1px solid var(--border);
}

.day--today .day__header {
  background: var(--accent-soft);
}

.day__label {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 700;
  display: flex;
  gap: 0.5rem;
  align-items: baseline;
  min-width: 0;
  flex-wrap: wrap;
}

.day__weekday { color: var(--accent); }
.day__date { color: var(--text-muted); font-weight: 500; font-size: 0.85rem; }

.day__badge {
  background: var(--accent);
  color: #04121f;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.12rem 0.55rem;
  border-radius: 999px;
  white-space: nowrap;
}

/* ------------------------------- Events -------------------------------- */

.event {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.85rem;
  align-items: center;
  padding: 0.8rem 1rem;
  border-bottom: 1px solid var(--border);
}

.event:last-child { border-bottom: none; }

.event--past { opacity: 0.5; }

.event--soon {
  background: var(--accent-soft);
  box-shadow: inset 3px 0 0 var(--accent);
}

.event__currency {
  background: var(--chip-bg);
  color: var(--chip-text);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  padding: 0.3rem 0.5rem;
  border-radius: 6px;
  min-width: 2.6rem;
  text-align: center;
}

.event__body { min-width: 0; }

.event__title {
  margin: 0 0 0.4rem;
  font-size: 0.92rem;
  font-weight: 600;
  line-height: 1.35;
  overflow-wrap: anywhere;
}

.event__values {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.5rem;
  max-width: 22rem;
}

.event__value { min-width: 0; }

.event__value-label {
  display: block;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-faint);
}

.event__value-data {
  font-size: 0.82rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.event__value--actual .event__value-data { color: var(--accent); }

.event__times {
  text-align: right;
  min-width: 5.5rem;
}

.countdown {
  display: block;
  font-size: 1.45rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--accent);
  line-height: 1.2;
  letter-spacing: 0.01em;
}

.countdown--released { color: var(--text-faint); }

.event__clock {
  display: block;
  font-size: 0.72rem;
  color: var(--text-faint);
  margin-top: 0.1rem;
  font-variant-numeric: tabular-nums;
}

/* ------------------------------- States -------------------------------- */

.loading, .empty, .error {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.error { color: var(--danger); }

/* ------------------------------ Utilities ------------------------------ */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ------------------------------ Responsive ----------------------------- */

@media (max-width: 640px) {
  .app { padding: 0.75rem 0.6rem 3rem; }

  .header { padding: 0.75rem 0.9rem; }
  .header__title { font-size: 1.05rem; }

  .event {
    grid-template-columns: auto 1fr;
    gap: 0.7rem;
  }

  .event__times {
    grid-column: 1 / -1;
    display: flex;
    align-items: baseline;
    justify-content: flex-end;
    gap: 0.6rem;
    text-align: right;
    min-width: 0;
  }

  .countdown { font-size: 1.3rem; }
  .event__clock { margin-top: 0; }

  .event__values { max-width: none; }

  .btn { padding: 0.6rem 1.1rem; }
}

/* --------------------------- Reduced motion ---------------------------- */

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}